ACL and tunefs

I dont think the acl got enabled, here is my output from mount:
/dev/ad0s1a on / (ufs, NFS exported, local)
Kees Plonsz wrote:
>Adam Stroud wrote:
>>>>>Kees:
>>>>You were right, I did not umount the filesystem first, I dropped into
>>single user mode and I thought that did unmount the filesystem. When I
>>booted the machine into single the tunefs command seemed to work OK.
>>>>However, I still dont get a "+" when I do a long listing of a file and
>>the handbook says I should see one. Does this mean that things did not
>>take?
>>>>>>>>>Check if your acl-option is working with "mount" ( no parameters )
>It should give somthing like:
>>/dev/ad1s1g on /mnt (ufs, local, soft-updates, acls)
>>Then give the setfacl command on a file:
>>setfacl -m u::rwx,g:mail:rw file
>>Now you must have a + sign with the "ls -la" command.
>>I got error messages when I disabled or enabled acl
>on a not-empty filesystem and made a directory listing.
>>>>>